Standard Deviation-Mean Plot
Section	Mean	Standard Deviation	Range
1	73.25	1.70782512765993	4
2	80.25	12.5266382827424	26
3	67	1.4142135623731	3
4	76.5	1.91485421551268	4
5	94.25	8.0156097709407	17
6	84.5	2.38047614284762	5
7	91.25	6.07590871118606	14
8	97.5	11.4455231422596	28
9	82.75	7.54431353183752	16
10	96.5	5.97215762238964	14
11	108	7.78888096369861	16
12	102.25	6.7515430335097	15
13	119.25	3.86221007541882	8
14	146	9.59166304662544	22
15	128.25	4.42530601578392	9
16	136	4.54606056566195	11
17	179.25	10.5316981853197	25
18	159.25	5.61990510002912	11
19	167.5	4.04145188432738	9
20	204.25	10.4363148029688	25
21	180	9.55684745788763	19
22	197	2.94392028877595	7
23	234.75	9.21502396451939	22
24	201.25	5.31507290636732	12
25	216.25	4.3493294502333	10
26	247	16.2685791225499	35
27	207.5	7.18795288428261	16
28	232	5.35412613473634	11
29	270.5	13.076696830622	27
30	233.5	6.45497224367903	14

Regression: S.E.(k) = alpha + beta * Mean(k)
alpha	3.39038898226053
beta	0.0231756742215421
S.D.	0.0102167717755284
T-STAT	2.26839502053412
p-value	0.0312101796926725

Regression: ln S.E.(k) = alpha + beta * ln Mean(k)
alpha	-1.38912032874359
beta	0.640828090589077
S.D.	0.240868772684273
T-STAT	2.66048638620775
p-value	0.0127681807292279
Lambda	0.359171909410923